thelma

Newest questions and responses by thelma
  1. maths

    alfie has some photographs printed.the cost is £2.50 for postage and 12 pence for each print. A File uses this formula for the total cost (C) in pence. C=250 + 12n n stands for number of photographs. The total cost for Alfie is £6.70. How many

    asked on February 21, 2016
  2. maths

    The 4th term of an ap is 15 while the 7th term is 27, find the sum of the 9th and 10th term.

    asked on November 23, 2014
  3. help needed with math

    instead of buying packages of 20 batteries for $7.00 to power his video game controllers, Nathaniel decides to buy 4 rechargeable batteries and a charger for $15.39. How many times does he need to use the rechargeable batteries to make them a better value?

    asked on June 5, 2014
  4. math word problem

    instead of buying packages of 20 batteries for $7.00 to power his video game controllers, Nathaniel decides to buy 4 rechargeable batteries and a charger for $15.39. How many times does he need to use the rechargeable batteries to make them a better value?

    asked on June 4, 2014
  5. math

    Two rectangular garden plots with an area of 60 square feet have distinct integer dimensions. The difference in the dimensions of one plot is the same as the sum of the dimensions of the other plot. what are the dimensions of the 2 garden plots?

    asked on April 9, 2014
  6. math

    I know how to do mixed fractions, just stuck on this one...9 2/5+8 2/3+7 11/15 help please I keep getting 25 2/15 what am I doing wrong

    asked on December 18, 2012
  7. statistics

    if a data se has a mean of 10.0 seconds & a standard deviation of 2.0 seconds, what is the z score corresponding to the time of 4.0 seconds?

    asked on February 18, 2011
  8. Chemistry

    An element that is malleable, ductile, and a good conductor of heat and electricity would be classified as a a)metalliod b)semimetal c)metal d)nonmetal

    asked on July 23, 2010
  9. Chemistry

    The energy necessary to start a chemical reaction is called the _______ energy. a)exothermic b)activation c)endothermic d)combustion

    asked on July 23, 2010
  10. chemistry

    Take a cup of water, add sugar, and stir. If the resulting solution contains sugar crystals that do not dissolve, the solution is said to be? a)an unsaturated solution b)a saturated solution c)a homogeneous solution d)none of the above Is it d -

    asked on July 23, 2010
  11. math

    about 4/9 of the coins in Ava''s piggy bank are nickels. Another 1/3 of the coins are dimes. As a fraction how many more of the coins are nickels than dimes?

    asked on February 3, 2009
  12. math

    23.97-2.875 = what

    asked on February 3, 2009
  13. math

    in leon's class 1 out of every students lives within one mile of the school. what percent of the students live within one mile of the school

    asked on February 3, 2009
  14. math

    In Mrs kyoto class 7/10 of the studebts have pets. Of those students 4/7 have cats what fraction of the class has pet cats

    asked on February 3, 2009
  15. math

    23.97-2.875= what

    asked on February 3, 2009
  16. math

    what is the answer to -8+815= what

    asked on February 3, 2009
  17. math

    so does that mean 0.25 equal to seconds

    asked on January 29, 2009
  18. math

    what is 0.25 min

    asked on January 29, 2009
  19. math

    help i have a graph that shows the finishing times of the first 5 runners in a 10k race time in min on the graph 0 to 34 and the intervals are 5 question is what two runners were 0.25 min apart

    asked on January 29, 2009
  20. Health

    Please, I just need someone to help me start this and I'll take it from there. I can't seem to come up with any concepts. Thanks. Imagine you are witnessing a senate debate in Washington, D.C., hours before a vote on a comprehensive health care reform

    asked on October 27, 2008
  1. Math

    yes becuase an angel has 2 rays

    posted on January 29, 2019
  2. Math

    How do you check it?

    posted on September 6, 2018
  3. math

    the answer is d) 522 3000 divided by 46 multiply that number by 8 ********you have to round your answer****

    posted on June 5, 2014
  4. economics business studies maths literacy tourism

    Can I study finacial management in a university*worried*

    posted on June 10, 2013
  5. life orientation

    charity water charity water is a non profit organization bringing clean and safe drinking

    posted on May 9, 2013
  6. Health

    Thank you so much for your swift response.

    posted on October 27, 2008